Home / 136,442.26-188,306.67-79,853.50

Finding the Fourth Proportional to 136,442.26, 188,306.67 and 79,853.50

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Solution

The fourth proportional to 136,442.26, 188,306.67 and 79,853.50 is: 110,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,442.26 : 188,306.67 = 79,853.50 : x
  2. Step 2: Convert to fraction form
    136,442.26/188,306.67 = 79,853.50/x
  3. Step 3: Cross multiply
    136,442.26x = 188,306.67 × 79,853.50
  4. Step 4: Simplify right side
    136,442.26x = 15,036,946,672.85
  5. Step 5: Solve for x
    x = 15,036,946,672.85/136,442.26
  6. Step 6: Final answer
    x = 110,207.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.